Absolute Infotech [P] Ltd. Offers Data Communication Software. Absolute Infotech [P] Ltd. Is certified by Microsoft. The Data Communication Software comprises of PCs and Multi-Bus systems to be used in a distributed computing environment. A data communication network is established between the PCs and the Multi-Bus systems for program download from the PCs to Multi-Bus systems and also to upload data from Multi-Bus systems to the PCs. This package has been developed in DOS operating system. It was designed to work under TCP/IP protocol.